/// <summary>
/// Returns type visitor that contains the type variables of f in the context
/// </summary>
public static TypeIsaVisitor FunTypeIsaVisitor(Function f, IVariableTranslationFactory varTranslationFactory)
{
var typeVarTranslation = varTranslationFactory.CreateEmptyTranslation().TypeVarTranslation;
/*
* types variables are numbered as they appear in the list as opposed to type variables appearing later having a smaller number
* that's the reason the loop iterates in reverse order
*/
foreach (var tv in ((IEnumerable <TypeVariable>)f.TypeParameters).Reverse())
{
typeVarTranslation.AddBoundVariable(tv);
}
return(new TypeIsaVisitor(typeVarTranslation));
}
/// <summary>The returned list in-sync with <see cref="AllAssumptionLabels" />.</summary>
public IList <Term> AllAssumptions(
IDictionary <Function, TermIdent> funInterpMapping,
IDictionary <NamedDeclaration, Term> declToVCMapping,
Term state,
BoogieContextIsa boogieContext,
IVariableTranslation <Variable> varTranslation
)
{
var assumptions = new List <Term>();
foreach (var obj in _assumptionLabelMap.Keys)
{
if (obj is Function f)
{
assumptions.Add(LemmaHelper.FunctionCtxtWfAssm(f, funInterpMapping, boogieContext));
assumptions.Add(LemmaHelper.FunctionVcCorresAssm(f, funInterpMapping, declToVCMapping,
boogieContext));
}
else if (obj is Variable v)
{
assumptions.Add(LemmaHelper.LocalStateVariableAssumption(v, boogieContext.varContext, state,
declToVCMapping, varTranslation));
if (!TypeUtil.IsPrimitive(v.TypedIdent.Type))
{
assumptions.Add(LemmaHelper.VariableTypeAssumption(
v,
declToVCMapping[v],
new TypeIsaVisitor(_factory.CreateEmptyTranslation().TypeVarTranslation),
boogieContext.absValTyMap));
}
}
else if (obj is SpecialAssumptionsKind kind)
{
switch (kind)
{
case SpecialAssumptionsKind.TypeValClosed:
assumptions.Add(EndToEndAssumptions.ClosednessAssumption(boogieContext.absValTyMap));
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
return(assumptions);
}
